[master] 27f778050 Also test without unwind enabled

[Federico G. Schwindt]

commit 27f778050b6ef807d8217829e2331e4b63e4a920
Author: Federico G. Schwindt <fgsch at lodoss.net>
Date:   Sat Nov 2 09:09:54 2019 +0900

    Also test without unwind enabled

diff --git a/.travis.yml b/.travis.yml
index c5d157204..0d4c431de 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -31,6 +31,9 @@ jobs:
           fi
     - <<: *test-linux
       compiler: gcc
+      before_script:
+        - ./autogen.sh
+        - ./configure
     - <<: *test-linux
       stage: sanitizers
       addons: